Leprecon can refer to:
- A misspelling of Leprechaun, a creature in Irish mythology
- LepreCon, science fiction convention held annually in Phoenix, Arizona, United States
- LEPrecon, Lower Elements Police reconnaissance squad in the fictional Artemis Fowl series
- Leprecon, an annual gaming convention held in Trinity College Dublin each spring
- LepreCon, similar to SantaCon, is a social event where people dress as Leprechauns and pub crawl.